Luggage lock



FIG. 1 is a top, front, and left side perspective view of a luggage lock showing my new design;

FIG. 2 is a plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for luggage lock, as shown and described. 